Search a number
-
+
155209034 = 288787491
BaseRepresentation
bin10010100000001…
…00110101001010
3101211001102202202
421100010311022
5304213142114
623222400202
73563153321
oct1120046512
9354042682
10155209034
117a67a932
1243b90062
1326203b86
14168830b8
15d95ccde
hex9404d4a

155209034 has 8 divisors (see below), whose sum is σ = 233078688. Its totient is φ = 77516140.

The previous prime is 155209027. The next prime is 155209039. The reversal of 155209034 is 430902551.

155209034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 155208988 and 155209006.

It is not an unprimeable number, because it can be changed into a prime (155209039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41972 + ... + 45519.

It is an arithmetic number, because the mean of its divisors is an integer number (29134836).

Almost surely, 2155209034 is an apocalyptic number.

155209034 is a deficient number, since it is larger than the sum of its proper divisors (77869654).

155209034 is an equidigital number, since it uses as much as digits as its factorization.

155209034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88380.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 155209034 is about 12458.2917769653. The cubic root of 155209034 is about 537.4099033411.

The spelling of 155209034 in words is "one hundred fifty-five million, two hundred nine thousand, thirty-four".

Divisors: 1 2 887 1774 87491 174982 77604517 155209034